49009950 has 72 divisors (see below), whose sum is σ = 143658216. Its totient is φ = 11880000.

The previous prime is 49009927. The next prime is 49009973. The reversal of 49009950 is 5990094.

49009950 is a nontrivial binomial coefficient, being equal to C(9901, 2).

It is an interprime number because it is at equal distance from previous prime (49009927) and next prime (49009973).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1 + ... + 9900.

It is an arithmetic number, because the mean of its divisors is an integer number (1995253).

Almost surely, 2^49009950 is an apocalyptic number.

49009950 is the 9900-th triangular number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49009950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71829108).

49009950 is an abundant number, since it is smaller than the sum of its proper divisors (94648266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49009950 is a wasteful number, since it uses less digits than its factorization.

49009950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9930 (or 9922 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 49009950 is about 7000.7106782097. The cubic root of 49009950 is about 365.9553380959.

The spelling of 49009950 in words is "forty-nine million, nine thousand, nine hundred fifty".